diff --git a/Cargo.toml b/Cargo.toml
index 2db2f29..1cb4e70 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 authenticator = "0.3"
-clap = "2.34"
+clap = "2.0"
 rust_util = { version = "0.6", features = ["use_clap"] }
 digest = "0.10"
 sha1 = "0.10"
@@ -20,7 +20,7 @@ u2f = "0.2"
 openpgp-card = "0.3"
 openpgp-card-pcsc = "0.3"
 openpgp-card-sequoia = "0.1"
-sequoia-openpgp = "1.13"
+sequoia-openpgp = "1.0"
 chrono = "0.4"
 simpledateformat = "0.1"
 ring = "0.17"